Finding the Fourth Proportional to 2,314.72, 3,193.68 and 1,487.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.72 : 3,193.68 = 1,487.20 : x
2. Step 2: Convert to fraction form
   2,314.72/3,193.68 = 1,487.20/x
3. Step 3: Cross multiply
   2,314.72x = 3,193.68 × 1,487.20
4. Step 4: Simplify right side
   2,314.72x = 4,749,640.90
5. Step 5: Solve for x
   x = 4,749,640.90/2,314.72
6. Step 6: Final answer
   x = 2,051.93